Finding the Fourth Proportional to 5,894,398,452.74, 8,137,940,866.17 and 3,752,213,812.82
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Solution
The fourth proportional to 5,894,398,452.74, 8,137,940,866.17 and 3,752,213,812.82 is: 5,180,391,921.38
Step by Step Solution
- Step 1: Write the proportion equation
5,894,398,452.74 : 8,137,940,866.17 = 3,752,213,812.82 : x - Step 2: Convert to fraction form
5,894,398,452.74/8,137,940,866.17 = 3,752,213,812.82/x - Step 3: Cross multiply
5,894,398,452.74x = 8,137,940,866.17 × 3,752,213,812.82 - Step 4: Simplify right side
5,894,398,452.74x = 30,535,294,125,955,432,448 - Step 5: Solve for x
x = 30,535,294,125,955,432,448/5,894,398,452.74 - Step 6: Final answer
x = 5,180,391,921.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.